#include <bits/stdc++.h>
using namespace std;
int sz[100005];
bool good[2000];
vector<int>adj[100005];
map<pair<int, int>, int> mp;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int n, k;
cin>>n>>k;
for(int i=0;i<n;i++){
int d;
cin>>d;
for(int j=0;j<d;j++){
int x;
cin>>x;
adj[i].push_back(x);
mp[{i, x}]=true;
}
sz[i]=d;
}
int ans=1;
for(int t=0;t<n;t++){
int mini=INT_MAX, idx;
for(int i=0;i<n;i++){
if(sz[i]<mini){
mini=sz[i];
idx=i;
}
}
// cout<<idx<<endl;
vector<int>v;
for(int i:adj[idx]){
if(sz[i]<=n) v.push_back(i);
}
int m=v.size();
good[0]=true;
for(int i=1;i<(1<<m);i++){
int lg=log2(i);
int x=i-(1<<lg);
if(good[x]){
bool b=true;
for(int j=0;j<m;j++){
if((1<<j)&x)
if(j!=lg) b&=mp[{v[j], v[lg]}];
}
good[i]=b;
}
else good[i]=false;
if(good[i]){
int cnt=0;
for(int j=0;j<m;j++){
if((1<<j)&i) cnt++;
}
ans=max(ans, cnt+1);
}
}
sz[idx]=INT_MAX;
for(int i:adj[idx]) sz[i]--;
}
cout<<ans;
}
Compilation message
politicaldevelopment.cpp: In function 'int main()':
politicaldevelopment.cpp:60:16: warning: 'idx' may be used uninitialized in this function [-Wmaybe-uninitialized]
sz[idx]=INT_MAX;
^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
2688 KB |
Output is correct |
2 |
Correct |
6 ms |
2688 KB |
Output is correct |
3 |
Correct |
30 ms |
3456 KB |
Output is correct |
4 |
Correct |
32 ms |
3456 KB |
Output is correct |
5 |
Correct |
31 ms |
3584 KB |
Output is correct |
6 |
Correct |
35 ms |
3584 KB |
Output is correct |
7 |
Correct |
31 ms |
3712 KB |
Output is correct |
8 |
Correct |
28 ms |
2688 KB |
Output is correct |
9 |
Correct |
6 ms |
2688 KB |
Output is correct |
10 |
Correct |
26 ms |
2688 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
2688 KB |
Output is correct |
2 |
Correct |
6 ms |
2688 KB |
Output is correct |
3 |
Correct |
30 ms |
3456 KB |
Output is correct |
4 |
Correct |
32 ms |
3456 KB |
Output is correct |
5 |
Correct |
31 ms |
3584 KB |
Output is correct |
6 |
Correct |
35 ms |
3584 KB |
Output is correct |
7 |
Correct |
31 ms |
3712 KB |
Output is correct |
8 |
Correct |
28 ms |
2688 KB |
Output is correct |
9 |
Correct |
6 ms |
2688 KB |
Output is correct |
10 |
Correct |
26 ms |
2688 KB |
Output is correct |
11 |
Correct |
31 ms |
3456 KB |
Output is correct |
12 |
Correct |
31 ms |
3456 KB |
Output is correct |
13 |
Correct |
6 ms |
2688 KB |
Output is correct |
14 |
Correct |
34 ms |
3456 KB |
Output is correct |
15 |
Correct |
6 ms |
2688 KB |
Output is correct |
16 |
Correct |
32 ms |
3584 KB |
Output is correct |
17 |
Correct |
6 ms |
2688 KB |
Output is correct |
18 |
Correct |
32 ms |
3712 KB |
Output is correct |
19 |
Correct |
28 ms |
2688 KB |
Output is correct |
20 |
Correct |
29 ms |
3200 KB |
Output is correct |
21 |
Correct |
28 ms |
3200 KB |
Output is correct |
22 |
Correct |
42 ms |
2688 KB |
Output is correct |
23 |
Correct |
33 ms |
3712 KB |
Output is correct |
24 |
Correct |
27 ms |
2688 KB |
Output is correct |
25 |
Correct |
31 ms |
3712 KB |
Output is correct |
26 |
Correct |
31 ms |
3584 KB |
Output is correct |
27 |
Correct |
31 ms |
3584 KB |
Output is correct |
28 |
Correct |
32 ms |
3712 KB |
Output is correct |
29 |
Correct |
29 ms |
3456 KB |
Output is correct |
30 |
Correct |
33 ms |
3840 KB |
Output is correct |
31 |
Correct |
35 ms |
3840 KB |
Output is correct |
32 |
Correct |
47 ms |
3840 KB |
Output is correct |
33 |
Correct |
38 ms |
3840 KB |
Output is correct |
34 |
Correct |
41 ms |
3840 KB |
Output is correct |
35 |
Correct |
14 ms |
3200 KB |
Output is correct |
36 |
Correct |
14 ms |
3328 KB |
Output is correct |
37 |
Correct |
14 ms |
3328 KB |
Output is correct |
38 |
Correct |
11 ms |
3200 KB |
Output is correct |
39 |
Correct |
11 ms |
3200 KB |
Output is correct |
40 |
Correct |
41 ms |
4600 KB |
Output is correct |
41 |
Correct |
10 ms |
3200 KB |
Output is correct |
42 |
Correct |
48 ms |
4576 KB |
Output is correct |
43 |
Correct |
38 ms |
4580 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
27 ms |
2688 KB |
Output is correct |
2 |
Correct |
7 ms |
2688 KB |
Output is correct |
3 |
Correct |
7 ms |
2688 KB |
Output is correct |
4 |
Correct |
6 ms |
2688 KB |
Output is correct |
5 |
Correct |
7 ms |
2688 KB |
Output is correct |
6 |
Correct |
7 ms |
2688 KB |
Output is correct |
7 |
Correct |
7 ms |
2688 KB |
Output is correct |
8 |
Correct |
7 ms |
2736 KB |
Output is correct |
9 |
Correct |
6 ms |
2688 KB |
Output is correct |
10 |
Correct |
6 ms |
2688 KB |
Output is correct |
11 |
Correct |
2794 ms |
63520 KB |
Output is correct |
12 |
Correct |
6 ms |
2688 KB |
Output is correct |
13 |
Correct |
2831 ms |
66020 KB |
Output is correct |
14 |
Correct |
6 ms |
2688 KB |
Output is correct |
15 |
Correct |
2778 ms |
66056 KB |
Output is correct |
16 |
Correct |
2850 ms |
66196 KB |
Output is correct |
17 |
Correct |
2598 ms |
66200 KB |
Output is correct |
18 |
Correct |
2583 ms |
66040 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
2688 KB |
Output is correct |
2 |
Correct |
6 ms |
2688 KB |
Output is correct |
3 |
Correct |
30 ms |
3456 KB |
Output is correct |
4 |
Correct |
32 ms |
3456 KB |
Output is correct |
5 |
Correct |
31 ms |
3584 KB |
Output is correct |
6 |
Correct |
35 ms |
3584 KB |
Output is correct |
7 |
Correct |
31 ms |
3712 KB |
Output is correct |
8 |
Correct |
28 ms |
2688 KB |
Output is correct |
9 |
Correct |
6 ms |
2688 KB |
Output is correct |
10 |
Correct |
26 ms |
2688 KB |
Output is correct |
11 |
Correct |
31 ms |
3456 KB |
Output is correct |
12 |
Correct |
31 ms |
3456 KB |
Output is correct |
13 |
Correct |
6 ms |
2688 KB |
Output is correct |
14 |
Correct |
34 ms |
3456 KB |
Output is correct |
15 |
Correct |
6 ms |
2688 KB |
Output is correct |
16 |
Correct |
32 ms |
3584 KB |
Output is correct |
17 |
Correct |
6 ms |
2688 KB |
Output is correct |
18 |
Correct |
32 ms |
3712 KB |
Output is correct |
19 |
Correct |
28 ms |
2688 KB |
Output is correct |
20 |
Correct |
29 ms |
3200 KB |
Output is correct |
21 |
Correct |
28 ms |
3200 KB |
Output is correct |
22 |
Correct |
42 ms |
2688 KB |
Output is correct |
23 |
Correct |
33 ms |
3712 KB |
Output is correct |
24 |
Correct |
27 ms |
2688 KB |
Output is correct |
25 |
Correct |
31 ms |
3712 KB |
Output is correct |
26 |
Correct |
31 ms |
3584 KB |
Output is correct |
27 |
Correct |
31 ms |
3584 KB |
Output is correct |
28 |
Correct |
32 ms |
3712 KB |
Output is correct |
29 |
Correct |
29 ms |
3456 KB |
Output is correct |
30 |
Correct |
33 ms |
3840 KB |
Output is correct |
31 |
Correct |
35 ms |
3840 KB |
Output is correct |
32 |
Correct |
47 ms |
3840 KB |
Output is correct |
33 |
Correct |
38 ms |
3840 KB |
Output is correct |
34 |
Correct |
41 ms |
3840 KB |
Output is correct |
35 |
Correct |
14 ms |
3200 KB |
Output is correct |
36 |
Correct |
14 ms |
3328 KB |
Output is correct |
37 |
Correct |
14 ms |
3328 KB |
Output is correct |
38 |
Correct |
11 ms |
3200 KB |
Output is correct |
39 |
Correct |
11 ms |
3200 KB |
Output is correct |
40 |
Correct |
41 ms |
4600 KB |
Output is correct |
41 |
Correct |
10 ms |
3200 KB |
Output is correct |
42 |
Correct |
48 ms |
4576 KB |
Output is correct |
43 |
Correct |
38 ms |
4580 KB |
Output is correct |
44 |
Correct |
100 ms |
5632 KB |
Output is correct |
45 |
Correct |
6 ms |
2944 KB |
Output is correct |
46 |
Correct |
36 ms |
4608 KB |
Output is correct |
47 |
Correct |
53 ms |
7544 KB |
Output is correct |
48 |
Correct |
36 ms |
4608 KB |
Output is correct |
49 |
Correct |
57 ms |
7652 KB |
Output is correct |
50 |
Correct |
61 ms |
7544 KB |
Output is correct |
51 |
Correct |
169 ms |
17016 KB |
Output is correct |
52 |
Correct |
30 ms |
3584 KB |
Output is correct |
53 |
Correct |
157 ms |
9336 KB |
Output is correct |
54 |
Correct |
227 ms |
19960 KB |
Output is correct |
55 |
Correct |
30 ms |
3584 KB |
Output is correct |
56 |
Correct |
29 ms |
3584 KB |
Output is correct |
57 |
Correct |
26 ms |
2688 KB |
Output is correct |
58 |
Correct |
132 ms |
9208 KB |
Output is correct |
59 |
Correct |
36 ms |
4224 KB |
Output is correct |
60 |
Correct |
31 ms |
3584 KB |
Output is correct |
61 |
Correct |
41 ms |
4224 KB |
Output is correct |
62 |
Correct |
37 ms |
4224 KB |
Output is correct |
63 |
Correct |
101 ms |
5632 KB |
Output is correct |
64 |
Correct |
77 ms |
5376 KB |
Output is correct |
65 |
Correct |
38 ms |
4344 KB |
Output is correct |
66 |
Correct |
37 ms |
4224 KB |
Output is correct |
67 |
Correct |
84 ms |
8952 KB |
Output is correct |
68 |
Correct |
73 ms |
5496 KB |
Output is correct |
69 |
Correct |
35 ms |
4344 KB |
Output is correct |
70 |
Correct |
62 ms |
6776 KB |
Output is correct |
71 |
Correct |
87 ms |
8696 KB |
Output is correct |
72 |
Correct |
79 ms |
8696 KB |
Output is correct |
73 |
Correct |
29 ms |
3584 KB |
Output is correct |
74 |
Correct |
61 ms |
6904 KB |
Output is correct |
75 |
Correct |
118 ms |
8824 KB |
Output is correct |
76 |
Correct |
40 ms |
5376 KB |
Output is correct |
77 |
Correct |
94 ms |
11640 KB |
Output is correct |
78 |
Correct |
34 ms |
3584 KB |
Output is correct |
79 |
Correct |
58 ms |
7160 KB |
Output is correct |
80 |
Correct |
43 ms |
5372 KB |
Output is correct |
81 |
Correct |
110 ms |
11640 KB |
Output is correct |
82 |
Correct |
10 ms |
3200 KB |
Output is correct |
83 |
Correct |
39 ms |
7160 KB |
Output is correct |
84 |
Correct |
82 ms |
8952 KB |
Output is correct |
85 |
Correct |
10 ms |
3072 KB |
Output is correct |
86 |
Correct |
68 ms |
8952 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
6 ms |
2688 KB |
Output is correct |
2 |
Correct |
6 ms |
2688 KB |
Output is correct |
3 |
Correct |
30 ms |
3456 KB |
Output is correct |
4 |
Correct |
32 ms |
3456 KB |
Output is correct |
5 |
Correct |
31 ms |
3584 KB |
Output is correct |
6 |
Correct |
35 ms |
3584 KB |
Output is correct |
7 |
Correct |
31 ms |
3712 KB |
Output is correct |
8 |
Correct |
28 ms |
2688 KB |
Output is correct |
9 |
Correct |
6 ms |
2688 KB |
Output is correct |
10 |
Correct |
26 ms |
2688 KB |
Output is correct |
11 |
Correct |
31 ms |
3456 KB |
Output is correct |
12 |
Correct |
31 ms |
3456 KB |
Output is correct |
13 |
Correct |
6 ms |
2688 KB |
Output is correct |
14 |
Correct |
34 ms |
3456 KB |
Output is correct |
15 |
Correct |
6 ms |
2688 KB |
Output is correct |
16 |
Correct |
32 ms |
3584 KB |
Output is correct |
17 |
Correct |
6 ms |
2688 KB |
Output is correct |
18 |
Correct |
32 ms |
3712 KB |
Output is correct |
19 |
Correct |
28 ms |
2688 KB |
Output is correct |
20 |
Correct |
29 ms |
3200 KB |
Output is correct |
21 |
Correct |
28 ms |
3200 KB |
Output is correct |
22 |
Correct |
42 ms |
2688 KB |
Output is correct |
23 |
Correct |
33 ms |
3712 KB |
Output is correct |
24 |
Correct |
27 ms |
2688 KB |
Output is correct |
25 |
Correct |
31 ms |
3712 KB |
Output is correct |
26 |
Correct |
31 ms |
3584 KB |
Output is correct |
27 |
Correct |
31 ms |
3584 KB |
Output is correct |
28 |
Correct |
32 ms |
3712 KB |
Output is correct |
29 |
Correct |
29 ms |
3456 KB |
Output is correct |
30 |
Correct |
33 ms |
3840 KB |
Output is correct |
31 |
Correct |
35 ms |
3840 KB |
Output is correct |
32 |
Correct |
47 ms |
3840 KB |
Output is correct |
33 |
Correct |
38 ms |
3840 KB |
Output is correct |
34 |
Correct |
41 ms |
3840 KB |
Output is correct |
35 |
Correct |
14 ms |
3200 KB |
Output is correct |
36 |
Correct |
14 ms |
3328 KB |
Output is correct |
37 |
Correct |
14 ms |
3328 KB |
Output is correct |
38 |
Correct |
11 ms |
3200 KB |
Output is correct |
39 |
Correct |
11 ms |
3200 KB |
Output is correct |
40 |
Correct |
41 ms |
4600 KB |
Output is correct |
41 |
Correct |
10 ms |
3200 KB |
Output is correct |
42 |
Correct |
48 ms |
4576 KB |
Output is correct |
43 |
Correct |
38 ms |
4580 KB |
Output is correct |
44 |
Correct |
6 ms |
2688 KB |
Output is correct |
45 |
Correct |
2487 ms |
33624 KB |
Output is correct |
46 |
Correct |
2206 ms |
15940 KB |
Output is correct |
47 |
Correct |
2419 ms |
35704 KB |
Output is correct |
48 |
Correct |
2416 ms |
35192 KB |
Output is correct |
49 |
Correct |
2070 ms |
11636 KB |
Output is correct |
50 |
Correct |
2308 ms |
32852 KB |
Output is correct |
51 |
Correct |
2741 ms |
35576 KB |
Output is correct |
52 |
Correct |
2160 ms |
11692 KB |
Output is correct |
53 |
Correct |
2154 ms |
11636 KB |
Output is correct |
54 |
Correct |
2088 ms |
3044 KB |
Output is correct |
55 |
Correct |
2319 ms |
32756 KB |
Output is correct |
56 |
Correct |
2128 ms |
8040 KB |
Output is correct |
57 |
Correct |
2041 ms |
11768 KB |
Output is correct |
58 |
Correct |
2111 ms |
14856 KB |
Output is correct |
59 |
Correct |
2080 ms |
8056 KB |
Output is correct |
60 |
Correct |
2179 ms |
8028 KB |
Output is correct |
61 |
Correct |
2185 ms |
14864 KB |
Output is correct |
62 |
Correct |
2086 ms |
11452 KB |
Output is correct |
63 |
Correct |
2191 ms |
19064 KB |
Output is correct |
64 |
Correct |
2076 ms |
8032 KB |
Output is correct |
65 |
Correct |
2281 ms |
24892 KB |
Output is correct |
66 |
Correct |
2053 ms |
11456 KB |
Output is correct |
67 |
Correct |
2186 ms |
18948 KB |
Output is correct |
68 |
Correct |
2209 ms |
23416 KB |
Output is correct |
69 |
Correct |
2212 ms |
24756 KB |
Output is correct |
70 |
Correct |
2125 ms |
11512 KB |
Output is correct |
71 |
Correct |
2198 ms |
23588 KB |
Output is correct |
72 |
Correct |
2156 ms |
18396 KB |
Output is correct |
73 |
Correct |
2352 ms |
29488 KB |
Output is correct |
74 |
Correct |
2000 ms |
11448 KB |
Output is correct |
75 |
Correct |
569 ms |
12152 KB |
Output is correct |
76 |
Correct |
2085 ms |
18236 KB |
Output is correct |
77 |
Correct |
2267 ms |
29756 KB |
Output is correct |
78 |
Correct |
626 ms |
16124 KB |
Output is correct |
79 |
Correct |
600 ms |
11896 KB |
Output is correct |
80 |
Correct |
162 ms |
7416 KB |
Output is correct |
81 |
Correct |
650 ms |
16120 KB |
Output is correct |
82 |
Correct |
2188 ms |
22160 KB |
Output is correct |
83 |
Correct |
159 ms |
7392 KB |
Output is correct |
84 |
Correct |
2207 ms |
21960 KB |
Output is correct |